Welcome to your 2365 624 Inspection & testing. This mock exam is not a substitute for proper teaching or revision and should only be used as a resource to prepare learners for the exam. The questions (along with the wording and diagrams) contained within the bank of this exam are purely made up by our lecturers and not copied from any actual qualification exam. So while this is an excellent free revision resource, please do not rely on these exam questions alone to help you be successful within your qualifications. When you are ready, please press "start quiz".
1.
What is the formula for calculating earth fault loop impedance?
2.
An existing single phase installation in the middle of London has 12 circuits protected by BS3036 fuses. A periodic inspection shows its Ze measured at 0.09Ω. What is potentially dangerous about this reading?
3.
The correct scale for a multifunction tester when measuring R1+R2 is
4.
What is the importance of verifying readings obtained with those listed within BS7671 and associated documents?
5.
During a continuity of ring final conductors test, the R1 + R2 reading taken at sockets should equate to approximately
6.
The image represents which type of earthing system?
7.
On a new installation, which of the following should be made available to the person conducting the inspection and test?
8.
Before working on a circuit for maintenance reasons, you should
9.
Where more than one operative is working on a circuit, a suitable device for ensuring lock off for isolation would be
10.
Which of the following is NOT classed as a live conductor?
11.
When performing an earth electrode test, the most reliable results are when the distance between the earth electrode and the current spike should be
12.
Which of the following tests should be performed specifically on a three-phase circuit?
13.
Certain installations have additional regulations set in BS7671 which may include specialist knowledge. More information about special locations can be found in
14.
A SELV circuit should be insulated resistance tested
15.
The scale indicated in the picture is used for the
16.
A Zs reading is to be entered on a minor works certificate, what is the correct instrument used to determine this reading?
17.
Which of the following is not a requirement of test probes and leads according to GS38?
18.
A polarity test is performed on Edison screw lamp holders to?
19.
The test voltage of a low resistance ohmmeter recommended by GN3 should be within
20.
What of responsibilities are outlined in the EIC
21.
An insulation resistance test should record results in
22.
While working on a circuit, a colleague receives an electric shock. What action should you take?
23.
The rule of thumb method recommended by Guidance Note 3 for earth fault loop impedance is
24.
The prospective fault current at the origin of an electrical installation must be taken into account when
25.
If 3 conductors equal in length and with a resistance of 1.5Ω are connected in parallel, what is the total resistance?
26.
Which of the following are required to be entered on page 2 of an EIC in the Nature of the supply parameters
27.
An R1+R2 reading is taken on a standard lighting circuit, what instrument should be used?
28.
Test instruments should ideally be calibrated
29.
The procedure for proving dead should be by use of a proprietary test lamp or two pole voltage detecting device as recommended by:
30.
The image represents which type of earthing system?
31.
Why is it important to test an installation in the correct sequence?
32.
As well as testing an RCD protected circuit for disconnection times, we are required to operate the test button to
33.
The scale indicated in the picture is used for what particular test?
34.
Before using a multifunction test instrument, what is the MOST important thing should you check for?
35.
The purpose of the integral test button of a residual current device is to check
By Alan Rogers